#688BB4#688BB4

#688BB4 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.7% C 0.074 H 252.9°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX#688BB4
RGBrgb(104, 139, 180)
HSLhsl(212, 34%, 56%)
HSVhsv(212, 42%, 71%)
CMYKcmyk(42.2%, 22.8%, 0%, 29.4%)
CIE-LABlab(56.78, -1.35, -25.36)
CIE-LCHlch(56.78, 25.39, 266.95°)
OKLaboklab(62.66% -0.0217 -0.0704)
OKLCHoklch(62.66% 0.074 252.9)
XYZxyz(23.1771, 24.7022, 46.7179)
Luminance0.2470 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BB4 #B49168
analogous
#68B1B4 #688BB4 #6B68B4
triadic
#688BB4 #B4688B #8BB468
tetradic
#688BB4 #B468B1 #B49168 #68B46B
square
#688BB4 #B468B1 #B49168 #68B46B
split-complementary
#688BB4 #B46B68 #B1B468
monochromatic
#364F6C #4A6C95 #688BB4 #91AAC8 #BACADD

Accessibility & contrast

On white

3.53
#688BB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.94
#688BB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BB4
5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BB4#FFFFFF#000000##000000
##688BB41.003.535.945.94
#FFFFFF3.531.0021.0021.00
#0000005.9421.001.001.00
##0000005.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B8CB6
Deuteranopia (green-blind)
#7285B3
Tritanopia (blue-blind)
#4C9499
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #688bb4;
/* rgb */ color: rgb(104, 139, 180);
/* oklch */ color: oklch(62.7% 0.074 252.9);
Tailwind
colors: {
  custom: {
    50: '#96acca',
    500: '#688bb4',
    950: '#000000',
  },
}
SCSS
$custom: #688bb4;
$custom-light: #96acca;
$custom-dark: #000000;
JSON
{
  "hex": "#688bb4",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 180
  },
  "hsl": {
    "h": 212.368,
    "s": 33.628,
    "l": 55.686
  },
  "oklch": {
    "l": 0.62659,
    "c": 0.07371,
    "h": 252.9
  },
  "luminance": 0.24704
}

Semantic roles & 50–950 ramp

primary
#688BB4
secondary
#CCBDAC
accent
#985ECA
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0E1013
muted
#7E7F82

Preview Lab

Preview with #688BB4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#688BB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva